hello.c

#include<stdio.h>

int main()
{
	signed int siA;
	unsigned int unA;
	signed int sumS;
	unsigned int sumU;

	fscanf(stdin, "%d", &siA);
	fprintf(stdout, "Signed Integer :  %d\n", siA);
	unA = siA;
	fprintf(stdout, "Unsigned Integer : %u\n", unA);
	fprintf(stdout, "Unsigned Integer percent d : %d\n", unA);
	fprintf(stdout, "signed Integer percent u : %u\n", siA);

	sumS = siA + unA;
	sumU = siA + unA;
	fprintf(stdout, "sumS %%d %d\n", sumS);
	fprintf(stdout, "sumS %%u %u\n", sumS);
	fprintf(stdout, "sumS %%d %d\n", sumU);
	fprintf(stdout, "sumS %%u %u\n", sumU);
}