08/01/16 23:38:43
>>121
#include<stdio.h>
int main(void){
char buf[100+1];
for(;;){
if(fscanf(stdin, "%100[A-Za-z0-9]", buf)!=1)
if(fscanf(stdin, "%1[(+*/.),-]", buf)!=1){
if(fscanf(stdin, "%1[\n]", buf)!=1) fprintf(stderr, "\nError: unexpected character.\n");
break;
}
puts(buf);
}
return 0;
}