#include <stdio.h> #include <math.h> int main(){ int i=0,j; char num[90]={'\0'}; while(scanf("%c",&num[i]) != '\0') { if((num[i]>='a' && num[i]<='z') || (num[i]>='A' && num[i]<='Z')) printf("%c",num[i]); i++; } return 0; } |
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