kusac

#include <iostream>

using namespace std;

int main() {
	int n, m, c = 0;
	cin >> n >> m;
	for (int i = 0; i < n*m; i += n) {
		if (i % m) c++;
	}
	cout << c;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED