#include <stdio.h>

struct body{
	double id;
	double height;
	double weight;
	double bmi;
};
int main(void) {
	
	struct body data[]={
		 {1,170,60},
		 {2,150,50},
		 {3,160,56},
		 {4,180,70},
	};
	for(int i=0;i<4;i++){
		printf("id:%lf\n",data[i].id);
			printf("height:%lf\n",data[i].height);
				printf("weight:%lf\n",data[i].weight);
					printf("bmi:%lf\n",data[i].weight/((data[i].height/100)*(data[i].height/100)));
	}
	return 0;
}