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