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

int ppcm(int mult_n, int mult_m, int n, int m);

void main() {
    int n, m;
    printf("n=");
    scanf("%d", &n);
    printf("m=");
    scanf("%d", &m);
    printf("%d\n", ppcm(n, m, n, m));
}

int ppcm(int mult_n, int mult_m, int n, int m) {
    if (mult_n < mult_m) {
        return ppcm(n + mult_n, mult_m, n, m);
    } else if (mult_n > mult_m) {
        return ppcm(mult_n, m + mult_m, n, m);
    } else {
        return mult_n;
    }
}