>>943 #include <stdio.h>
#include <string.h>
#define N 100
int main(void)
{
int cnt = 0;
char s[] = "atg", s2[] = "tcag", buf[N], *p1, *p2;
p1 = buf;
while (scanf("%99s", p1) != EOF)
while (*p1)
p1++;
p1 = p2 = buf;
while (*p1) {
while (strchr(s2, *p1) == 0)
p1++;
*p2++ = *p1++;
}
*p2 = *p1;
p1 = buf;
while (strstr(p1, s)) {
cnt++;
p1 = (strstr(p1, s));
p1++;
}
printf("#ATG is %d\n", cnt);
return 0;
}