diff --git a/84 b/84
index 868c01a..49c2f5f 100755
Binary files a/84 and b/84 differ
diff --git a/84.c b/84.c
index 007b545..846e7a7 100644
--- a/84.c
+++ b/84.c
@@ -1,91 +1,83 @@
-#include <time.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-const int GO   = 0,  JAIL = 10, G2J  = 30;    // GO/JAIL
-const int CC1  = 2,  CC2  = 17, CC3  = 33;    // Community Chest
-const int CH1  = 7,  CH2  = 22, CH3  = 36;    // Chance
-const int R1   = 5,  R2   = 15, R3   = 25;    // Railway
-const int U1   = 12, U2   = 28;               // Utilities
-const int C1   = 11, E3   = 24, H2   = 39;    // other
-
-int freq[40] = {0};
-int doubleRolls = 0;
-int position = GO;
-int cci = 0;
-int chi = 0;
-
-int chance() {
-    chi = (chi + 1) % 16;
-    switch (chi) {
-        case 1: return GO;
-        case 2: return JAIL;
-        case 3: return C1;
-        case 4: return E3;
-        case 5: return H2;
-        case 6: return R1;
-        case 7:
-        case 8:
-            if (position == CH1) return R2;
-            if (position == CH2) return R3;
-            return R1;
-        case 9:
-            if (position == CH2) return U2;
-            return U1;
-        case 10: position -= 3;
-        default: return position;
-    }
-}
-
-int communityChest() {
-    cci = (cci + 1) % 16;
-    switch (cci) {
-        case 1:  return GO;
-        case 2:  return JAIL;
-        default: return position;
-    }
-}
-
-int main(void) {
-    srand(time(NULL));
-
-    for (int i = 0; i < 40000000; i++) {
-        int die1 = (rand() % 6) + 1;
-        int die2 = (rand() % 6) + 1;
-        position = (position + die1 + die2) % 40;
-        if (die1 == die2) {
-            doubleRolls = (doubleRolls + 1) % 3;
-            if (doubleRolls == 0) {
-                position = JAIL;
-            }
-        }
-        if (position == G2J) {
-            position = JAIL;
-        }
-        if (position == CH1 || position == CH2 || position == CH3) {
-            position = chance();
-        }
-        if (position == CC1 || position == CC2 || position == CC3) {
-            position = communityChest();
-        }
-        freq[position]++;
-    }
-
-    float sum = 0;
-    for (int i = 0; i < 40; i++) {
-        sum += freq[i];
-    }
-    for (int i = 1; i <= 3; i++) {
-        int topSquare = 0, topValue = 0;
-        float topFreq = 0;
-        for (int j = 0; j < 40; j++) {
-            if (freq[j] > topValue) {
-                topSquare = j;
-                topValue  = freq[j];
-                topFreq   = topValue / sum;
-                freq[j]   = 0;
-            }
-        }
-        printf("#%d: %d @ %f%%\n", i, topSquare, topFreq * 100);
-    }
+#include <time.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+const int rolls = 40000000;
+const int GO   = 0,  JAIL = 10, G2J  = 30;    // GO/JAIL
+const int CC1  = 2,  CC2  = 17, CC3  = 33;    // Community Chest
+const int CH1  = 7,  CH2  = 22, CH3  = 36;    // Chance
+const int R1   = 5,  R2   = 15, R3   = 25;    // Railway
+const int U1   = 12, U2   = 28;               // Utilities
+const int C1   = 11, E3   = 24, H2   = 39;    // other
+
+int freq[40] = {0};
+int doubleRolls = 0, position = 0;
+int cci = 0, chi = 0;
+
+int chance() {
+    chi = (chi + 1) % 16;
+    switch (chi) {
+        case 1: return GO;
+        case 2: return JAIL;
+        case 3: return C1;
+        case 4: return E3;
+        case 5: return H2;
+        case 6: return R1;
+        case 7:
+        case 8:
+            if (position == CH1) return R2;
+            if (position == CH2) return R3;
+            return R1;
+        case 9:
+            return (position == CH2) ? U2 : U1;
+        case 10: position -= 3;
+        default: return position;
+    }
+}
+
+int communityChest() {
+    cci = (cci + 1) % 16;
+    switch (cci) {
+        case 1:  return GO;
+        case 2:  return JAIL;
+        default: return position;
+    }
+}
+
+int main(void) {
+    srand(time(NULL));
+
+    for (int i = 0; i < rolls; i++) {
+        int die1 = rand() / ((double) RAND_MAX + 1) * 6 + 1;
+        int die2 = rand() / ((double) RAND_MAX + 1) * 6 + 1;
+        position = (position + die1 + die2) % 40;
+        if (die1 == die2) {
+            doubleRolls = (doubleRolls + 1) % 3;
+            if (doubleRolls == 0) {
+                position = JAIL;
+            }
+        }
+        if (position == G2J) {
+            position = JAIL;
+        }
+        if (position == CH1 || position == CH2 || position == CH3) {
+            position = chance();
+        }
+        if (position == CC1 || position == CC2 || position == CC3) {
+            position = communityChest();
+        }
+        freq[position]++;
+    }
+
+    for (int i = 1; i <= 3; i++) {
+        int topSquare = 0, topValue = 0;
+        for (int j = 0; j < 40; j++) {
+            if (freq[j] > topValue) {
+                topSquare = j;
+                topValue  = freq[j];
+                freq[j]   = 0;
+            }
+        }
+        printf("#%d: %d @ %f%%\n", i, topSquare, (float) topValue / rolls * 100);
+    }
 }
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