def icecreamParlor(m, arr):
    d = dict()
    for idx, price in enumerate(arr):
        if m - price in d:
            return [d[m - price], idx + 1]
        d[price] = idx + 1
    
    return [0,0]

def icecreamParlor(m, arr):
    for i in range(len(arr)-1):
        j = i + 1
        while j < len(arr):
            if arr[i] + arr[j] == m:
                return i+1, j+1
            j += 1

public static List<Integer> icecreamParlor(int m, List<Integer> arr) {
        
        List<Integer> result = new ArrayList<>();
        
        for(int i = 0; i < arr.size() - 1; i++) {
            
            int c1 = arr.get(i);
            
            for(int j = i + 1; j < arr.size(); j++) {
                
                int c2 = arr.get(j);
                
                if(c1 + c2 == m) {
                    result.add(i + 1);
                    result.add(j + 1);
                    
                    return result;
                }
                    
            }
            
        }
        
        return result;
    }

def icecreamParlor(m, arr):
    for idx, i in enumerate(arr):
        if arr[idx+1:].count(m-i) > 0:
            return idx+1, arr[idx+1:].index(m-i)+idx+2

def icecreamParlor(m, arr):
    # Write your code here
    for i,it1 in enumerate(arr):
        for j,it2 in enumerate(arr[i+1:]):
            if it1+it2==m:
                return([i+1,i+1+j+1])