#include <stdio.h>
int main()
{
int m,n,zhi = 1;
printf("请输入m和n:\n");
scanf("%d,%d",&m,&n);
for(;m <= n;m++){
zhi = 1;
if(m == 1)m++;
for(int i = 2;i <= m / 2;i++){
if(m % i == 0){
zhi = 0;
i = m / 2 + 1;}}
if(zhi == 1){
printf("%d是质数\n",m);
zhi = 1;}}
return 0;
}