#include <stdio.h>

int main() {
	printf("Hello World!\n");
	
	printf("%d\n", 68);
	printf("Wynik to %d\n", 24);
	
	printf("%3d\n", 0);
	printf("%3d\n", 123456789);
	printf("%8d\n", -10);
	
	printf("%-3d\n", 0);
	printf("%-3d\n", 123456789);
	printf("%-8d\n", -10);
	
	printf("%03d\n", 0); /* 000 */
	printf("%08d\n", 12); /* 00000012 */
	printf("%02d:%02d\n", 14, 5); /* 14:05 */
	
	printf("%f\n", 12.85); /* 12.850000 */
	printf("%.2f\n", 12.85); /* 12.85 */
	printf("%.1f\n", 12.85); /* 12.9 */
	
	printf("%6.2f\n", 12.85); /* 12.85 */
	printf("%06.2f\n", 12.85); /* 012.85 */
	printf("%-6.2f\n", 12.85);
	
	printf("%e\n", 5.65); /* 5.650000e+00 */
	printf("%e\n", 5.653745343438343); /* 5.653745e+00 */
	printf("%e\n", 4342342343245.0); /* 4.342342e+12 */
	
	printf("%+d\n", 5); /* +5 */
	printf("%+d\n", -5); /* -5 */
	
	printf("%o\n", 127); /* 177 */
	printf("%x\n", 127); /* 7f */
	printf("%X\n", 127); /* 7F */
	
	return 0;
}