6.14

#include<stdio.h>int main(){int a,b,c,count=0;printf("男人,女人，小孩\n");for(a=0;a<=10;a++){    b=20-2*a;    c=30-a-b;    if(3*a+2*b+c==50)        printf("%d   %d   %d\n",a,b,c);}}