diff --git a/src/main.rs b/src/main.rs
index 89d97ec..0cac004 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -105,10 +105,10 @@ fn exec(instructions: Vec<i64>) -> i64 {
             /* SUB */ 2 => binop(&mut stack, |x, y| x - y),
             /* MUL */ 3 => binop(&mut stack, |x, y| x * y),
             /* DIV */ 4 => binop(&mut stack, |x, y| x / y),
-            /* MOD */ 5 => (),
-            /* LT  */ 6 => (),
-            /* EQ  */ 7 => (),
-            /* GT  */ 8 => (),
+            /* MOD */ 5 => binop(&mut stack, |x, y| x % y),
+            /* LT  */ 6 => binop(&mut stack, |x, y| (x < y) as i64),
+            /* EQ  */ 7 => binop(&mut stack, |x, y| (x == y) as i64),
+            /* GT  */ 8 => binop(&mut stack, |x, y| (x > y) as i64),
             /* BR  */ 9 => (),
             /* BRT */ 10 => (),
             /* BRF */ 11 => (),
@@ -120,8 +120,8 @@ fn exec(instructions: Vec<i64>) -> i64 {
             /* PRN */ 17 => (),
             /* POP */ 18 => (),
             /* HLT */ 19 => break,
-            /* LEQ */ 20 => (),
-            /* GEQ */ 21 => (),
+            /* LEQ */ 20 => binop(&mut stack, |x, y| (x <= y) as i64),
+            /* GEQ */ 21 => binop(&mut stack, |x, y| (x >= y) as i64),
             /* CAL */ 22 => (),
             /* RET */ 23 => (),
             /* IPR */ 24 => (),