menu = {
    "coffee":{
    "ingredients":{
        "water":60,
        "milk":40,
        "sugar":15,
        "coffee powder":15
    },
        "cost":15
},
    "strong coffee":{
        "ingredients":{
            "water":40,
            "milk":60,
            "sugar":5,
            "coffee powder":25

        },
        "cost":20
    },
    "sugarless coffee":{
         "ingredients":{
        "water":50,
        "milk":50,
        "sugar":0,
        "coffee powder":20
    },
        "cost":15
    },
        "black coffee":{
         "ingredients":{
        "water":100,
        "milk":0,
        "sugar":0,
        "coffee powder":30
    },
        "cost":15
    }
}
profit = 0
resource = {
        "water":1000,
        "milk":700,
        "sugar":250,
        "coffee powder":250,
    }