void solve(int n, int q, char *s1, char *s2, int *q_x, int *q_y, int *q_len, unsigned *ans)
{
if(n<=1000)
{
for(int i=1;i<=q;i++)
{
int x=q_x[i],y=q_y[i],len=q_len[i];
ans[i]=0;
for(int t=1;t<len;t++,x++,y++)
ans[i]+=((s1[x]=='0'&&s2[y]=='1')||(s1[x]=='1'&&s2[y]=='2')||(s1[x]=='2'&&s2[y]==0));
}
}
}