View Code of Problem 43

#include <stdio.h>
#include <math.h>

int main(){
	int i;
	char num[90];
	scanf("%s",num);
	int len =strlen(num);
	for(i=0;i<len;i++){
		if((num[i]>='a' && num[i]<='z') || (num[i]>='A' && num[i]<='Z'))
			printf("%c",num[i]);
	}
	return 0;
}

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