HDU 1108 最小公倍数

#include <cstdio>
int gcd(int a,int b)
{
    if (b==0) return a;
    else return gcd(b,a%b);
}

int main()
{
    int m,n;
    while (scanf("%d%d",&m,&n)!=EOF)
    {
        printf("%d
",m*n/gcd(m,n));
    }
    return 0;
}