#include<stdio.h>
#include<string.h>
int main()
{
char s[50]="G12o45o657D896J2508657B";
char m[100];
int i,j=0;
for(i=0;s[i]!='\0';i++)
{
if(s[i]<'0' || s[i]>'9')
{
m[j]=s[i];
j++;
}
}
m[j]='\0';
printf("%s",m);
}
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