code MDC analysis (errors?)

Question

#include <stdio.h>
int main(void) {
int n1,n2,resto;
scanf("%d%d",&n1,&n2);
resto=n1%n2;
while(resto!=0);{
n1 = n2;
n2 = resto;
resto = n1%n2;
}
printf("%d",n2);
return 0;
}