func birthday(s []int32, d int32, m int32) int32 {
    
    count :=0
    
    for i := 0; i< len(s); i++ {
        sum :=0
     for j:=i; j< int(m)+i; j++{
         if j >= len(s){
             break
         }
         sum += int(s[j])
     }   
     if sum == int(d){
         count ++
     }
    }
          
    return int32(count)

}