#include int main(){double v1,v2,r1=2,r2,h1=4,h2;v1=3.14*r1*r1*h1;scanf("%lf%lf",&r2,&h2);v2=3.14*r2*r2*h2;printf("半径为2高为4的圆柱体体积为%lf半径为3高为5的圆柱体体积为%lf",v1,v2);}
