#include <stdio.h>
#include <float.h>

int main(void) {
	// your code goes here
		double pai=3.14159265358979; 
		int mon=2;
		float flt=1.2f;
		
		printf("%5.2f\n",flt);
		printf("%-5.2f\n",flt);
		printf("%05.2f\n",flt);		
		printf("%+08.2f\n",flt);
		printf("%-08.2f\n",flt);		

		printf("%d\n",mon=3);
		printf("%e\n",pai);
		
		printf("%08.2f\n",pai);
		printf("%05d\n",mon);
		
		printf("ratio of the circumference of a circle to its diameter is %f\n",pai);
		printf("ratio of the circumference of a circle to its diameter is %010.2f\n",pai);
		printf("ratio of the circumference of a circle to its diameter is %f-10.2f\n",pai);
		printf("ratio of the circumference of a circle to its diameter is %f10.2f\n",pai);






	return 0;
}