#include <stdio.h>
void cal(int x, int y, int *sum, int *diff, int *mul, int *mod)
{
*sum = x + y;
*diff = x - y;
*mul = x * y;
*mod = x / y;
}
int main(void)
{
int x, y;
int sum, diff, mul, mod;
cal(x, y, &sum, &diff, &mul, &mod);
return 0;
}
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