#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main(void) {
    int a, b;
    char ops[] = {'+', '-', '*'};
    char c;

    srand(time(NULL));
    a = rand() % 100;
    b = rand() % 100;
    c = ops[rand() % 3];

    printf("%d %c %d = ", a, c, b);

    return 0;
}